Période

7 résultats pour : 1930s medical devices

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Pumping bot examined
UMG22A21_385

Pumping bot examined

Leg saver. Chester Antos, student at Georgetown University medical school, photographed with the newly devised Emerson suction pressure apparatus which designers believe will prevent amputation in man...
UMG21A22_493

Leg saver. Chester Antos, student at Georgetown Un...

Searching For Germs
UMG20A12_131

Searching For Germs

Testing Left Handed Abilities
UMG20A12_189

Testing Left Handed Abilities

A Cauterizing Medical Device
UMG20A21_299

A Cauterizing Medical Device

A Questionable Medical Device
UMG20A12_144

A Questionable Medical Device

Road Tamping Machine
UMG20A13_035

Road Tamping Machine